MULTIUSER

作品数：115被引量：114H指数：6
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An Adaptive Program Recommendation System for Multi-User Sharing Environment
《China Communications》2024年第6期112-128,共17页Sun Shiyun Hu Zhengying Wei Xin Zhou Liang 
supported by the National Natural Science Foundation of China(Grant No.62277032,62231017,62071254);Education Scientific Planning Project of Jiangsu Province(Grant No.B/2022/01/150);Jiangsu Provincial Qinglan Project,the Special Fund for Urban and Rural Construction and Development in Jiangsu Province.
More and more accounts or devices are shared by multiple users in video applications,which makes it difficult to provide recommendation service.Existing recommendation schemes overlook multiuser sharing scenarios,and ...
关键词：ADAPTIVE EXPLOITATION LinUCB MULTIUSER recommendation system 
Channel Estimation for Reconfigurable Intelligent Surface Aided Multiuser Millimeter-Wave/THz Systems
《China Communications》2024年第3期91-103,共13页Chu Hongyun Pan Xue Li Baijiang 
It is assumed that reconfigurable intelligent surface(RIS)is a key technology to enable the potential of mmWave communications.The passivity of the RIS makes channel estimation difficult because the channel can only b...
关键词：atomic norm minimization cascaded channel estimation convex optimization mmWave/THz reconfigurable intelligent surface(RIS) sparsity 
A TDMA Approach for OFDM-Based Multiuser RadCom Systems被引量：2
《China Communications》2023年第5期93-103,共11页Yixuan Huang Su Hu Gang Wu 
supported in part by the National Natural Science Foundation of China(No.61971092,No.62222121);in part by the Sichuan Province Foundation for Distinguished Young Scholars(2020JDJQ0023);in part by the Fundamental Research Funds for the Central Universities(ZYGX2020ZB045,ZYGX2019J123).
This paper is focused on the multiuser implementation of fusion of radar and communication(RadCom)in internet-of-vehicles(IoV)scenarios.Traditional time-division multiple access(TDMA)technology degrades the velocity d...
关键词：RadCom time-division multiple access(TDMA) orthogonal frequency-division multiplexing(OFDM) internet-of-vehicles(IoV) 
RIS-Aided Constant-Envelope Beamforming for Multiuser Wireless Power Transfer:A Max-Min Approach被引量：3
《China Communications》2021年第3期80-90,共11页Huiyuan Yang Chang Cai Xiaojun Yuan Yingchang Liang 
supported by General Program of National Natural Science Foundation of China(No.62071090);Sichuan Science and Technology Program(No.2021YFH0014).
As a revolutionary hardware technology that can reconfigure the propagation environment,reconfigurable intelligent surfaces(RISs)have been regarded as a promising solution to enhance wireless networks.In this paper,we...
关键词：reconfigurable intelligent surface wireless power transfer max-min fairness constantenvelope beamforming 
The Analysis of Multiuser Relaying Mixed RF/FSO Networks over Exponentiated Weibull Fading Channel
《China Communications》2020年第7期224-235,共12页Zhengguang Gao Jiawei Zhang Pengfei Zhu Yuefeng Ji 
supported by the National Nature Science Foundation of China Projects(No.61871051);the Beijing Natural Science Foundation(No.4192039);the fund of State Key Laboratory of Advanced Optical Communication Systems and Networks,China,No.2019GZKF5。
In this paper,the performance of multiuser relaying mixed radio frequency(RF)/free space optical(FSO)networks over exponentiated Weibull Fading Channel is studied.Based on the transmit opportunistic scheduling,a unifi...
关键词：FSO CHANNEL system 
Cross-Layer Framework for Capacity Analysis in Multiuser Ultra-Dense Networks with Cell DTx被引量：4
《China Communications》2019年第9期106-121,共16页Qing Li Yu Chen Qimei Cui Yu Gu Guoqiang Mao 
Cell discontinuous transmission(Cell DTx)is a key technology to mitigate inter-cell interference(ICI)in ultra-dense networks(UDNs).The aim of this work is to understand the impact of Cell DTx on physical-layer sum rat...
关键词：effective capacity QoS performance SUM rates MULTIUSER scheduling ultra-dense network (UDN) 
Multiuser Pre-Coding Aided Quadrature Spatial Modulation for Large-Scale MIMO Channels被引量：1
《China Communications》2018年第11期62-69,共8页Fatang Chen Kang Yang Pingping Xing Huan Zhang Yanan Jiang 
partially supported by the National Natural Science Foundation of China (Grant No. 61701063);Scientific and Technological Research Program of Chongqing Municipal Education Commission (No. KJ1600435)
Pre-coding aided quadrature spatial modulation(PQSM) is a promising multiple input multiple output(MIMO) transmission technology. The multiuser(MU) detection in PQSM system is investigated in this paper. Based on the ...
关键词：pre-coding generalized quadra-ture spatial modulation bit error performance maximum likelihood 
Joint Subcarrier and Power Allocation for DF-Based Multiuser Two-Way Relay Networks
《China Communications》2017年第6期179-188,共10页Xiang Chen Fei He Limin Xiao Shidong Zhou 
supported by the National Natural Science Foundation of China(NSFC)(No.61501527);State’s Key Project of Research and Development Plan(No.2016YFE0122900-3);the Fundamental Research Funds for the Central Universities,Basic Research Foundation of Science Technology and Innovation Commission of Shenzhen Municipality(No.JCYJ20150630153033410);SYSU-CMU Shunde International Joint Research Institute and 2016 Major Project of Collaborative Innovation in Guangzhou(Research and Application of Ground Satellite Communicaiton Systems for Space Broadband Information Networks)
Two-way decode-and-forward(DF) relay technique is an efficient method to improve system performance in 5G networks.However,traditional orthogonal frequency division multiplexing(OFDM) based two-way relay systems only ...
关键词：two-way relay orthogonal frequency division multiplexing （OFDM） decode-and-forward （DF） power allocation 
QoE-Oriented Resource Allocation for Multiuser-Multiservice Femtocell Networks被引量：2
《China Communications》2015年第10期27-41,共15页YUAN Deyu SONG Mei TENG Yinglei MA Ding WANG Xiaojun LU Guofeng 
supported in part by the National Nature Science Foundation of China under Grant 61372117;the 863 project under grant No.2014AA01A701;the National Key Technology Support Program under grant No.2012BAH41F03
The pursuit of high data rate and assurance of quality of experience(QoE) for end users represent the main goals of future wireless communication systems.By introducing MOS(Mean Opinion Score) based assessment models ...
关键词：Qo E resource allocation femtocell network MOS 
An Improved Semi-Orthogonal User Selection Algorithm Based on Condition Number for Multiuser MIMO Systems被引量：1
《China Communications》2014年第A01期23-30,共8页LU Xinlu WU Jun HUANG Xinlin LI Wenfeng LU Jianmin GONG Zhengwei 
This paper was supported by the National Natural Science Foundation of China under Grant No.61390513 and 61201225,and National Science and Technology Major Project of China under Grant No.2013ZX03003004,the Natural Science Foundation of Shanghai under Grant No.12ZR1450800,and sponsored by Shanghai Pujiang Program under Grant No.13PJD030.It was also supported by the Fundamental Research Funds for the Central Universities under Grant No.20140767,the Program for Young Excellent Talents in Tongji University under Grant No.2013KJ007,and 'Chen Guang' project supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation under Grant No.13CG18
In Multiple-Input Multiple-Out （MIMO） systems, the user selection algorithm plays an important role in the realization of multiplexing gain. In this paper, an improved Semi-orthogonal User Selection algorithm based ...
关键词：Multiple-Input Multiple-Output sumrate capacity condition number semi-orthogonaluser selection 
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